Four Seasons 39007 A/C Expansion Valve

Four Seasons 39007 Expansion Valve Overview

Four Seasons 39007 is a block-type A/C expansion valve for R134A systems. It is built from aluminum and meets or exceeds OEM requirements for direct replacement service on select Acura and Honda applications, including Acura TL, Acura RSX, Honda Accord, and Honda Civic.

The Four Seasons Expansion Valve line focuses on accurate refrigerant metering and OE-style fitment. This 39007 valve is a non-solenoid design with captured O-ring connections and the correct inlet and outlet sizing for service on the listed vehicles.

Key Features

• Part number: 39007
• Brand: Four Seasons Expansion Valve
• Block-type A/C expansion valve
• Aluminum construction and aluminum finish
• R134A refrigerant type
• Non-solenoid style
• Meets or exceeds OEM specifications
• Compatible with select Acura and Honda HVAC systems

Detailed Description

Four Seasons 39007 is an A/C expansion valve used to regulate refrigerant flow into the evaporator on supported HVAC systems. Its block-type design, captured O-ring sealing surfaces, and OE-matching connection sizes help maintain proper refrigerant control in the air conditioning circuit. This part number 39007 is listed for 2004-2008 Acura TL, 2003-2007 Honda Accord, 2002-2006 Acura RSX, and 2002-2005 Honda Civic applications.

For buyers searching for a 2004-2008 Acura TL expansion valve, 2003-2007 Honda Accord A/C expansion valve, or 2002-2005 Honda Civic HVAC expansion valve, Four Seasons 39007 provides a direct replacement option for R134A systems. It uses female suction and liquid fittings with captured O-ring styles and is specified for 1.5 tonnage and 7.5 super heat applications.

Common Problems This Part Can Address

• Restricted refrigerant flow through the evaporator circuit
• Incorrect A/C cooling performance caused by a worn expansion valve
• Uneven vent temperatures in the cabin
• System service needs on R134A-equipped Acura and Honda vehicles
• Leak concerns at aging O-ring sealing points

Installation Notes and Tips

Verify the vehicle’s refrigerant system configuration before installation and confirm the valve style, inlet and outlet sizes, and O-ring sealing surfaces match the original part. This valve uses female fittings with captured O-ring connections and does not include a solenoid. Proper evacuation, leak checking, and recharge procedures should be followed after service.

Fits 2004-2008 Acura TL, N/A; Fits 2003-2007 Honda Accord, N/A; Fits 2002-2006 Acura RSX, N/A; Fits 2002-2005 Honda Civic, N/A.

Quality Assurance

Four Seasons 39007 is manufactured as an OEM-level replacement and is listed as meeting or exceeding OEM requirements for the specified applications. This part cross-references Dayco 17770 for the same application.